Home / 2,867.92-4,295.70-1,938.34

Finding the Fourth Proportional to 2,867.92, 4,295.70 and 1,938.34

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Solution

The fourth proportional to 2,867.92, 4,295.70 and 1,938.34 is: 2,903.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.92 : 4,295.70 = 1,938.34 : x
  2. Step 2: Convert to fraction form
    2,867.92/4,295.70 = 1,938.34/x
  3. Step 3: Cross multiply
    2,867.92x = 4,295.70 × 1,938.34
  4. Step 4: Simplify right side
    2,867.92x = 8,326,527.14
  5. Step 5: Solve for x
    x = 8,326,527.14/2,867.92
  6. Step 6: Final answer
    x = 2,903.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.